You vote for the one who you like more, not who's the strongest one in a fight and have fun:
The Punisher (Frank Castle) vs. Morbius
Doc Samson vs. Psycho-Man
Hawkeye (Kate Bishop) vs. Mandrill
Bling! vs. The Leader
Taserface vs. Ka-Zar (Kevin Plunder)
Dr. Voodoo vs. Nightmare
Jessica Jones vs. The Abomination
Tiger Shark vs. Maggott
Mantis vs. The Porcupine (Roger Gocking)
Darkstar (Laynia Petrovina) vs. Egghead (Elihas Starr)
The Molecule Man vs. Raza Longknife
Fandral the Dashing vs. Skurge the Executioner
Mar-Vell vs. The Collector
Mesmero vs. Genis-Vell
Namorita vs. Firelord
Kraven the Hunter (Sergei Kravinoff) vs. Rocket Racer (Robert Farrell)
Whirlwind vs. Colleen Wing
Danger vs. Baron Mordo
Taskmaster vs. Ironheart (Riri Williams)
M.O.D.O.K. vs. Doop
Skin vs. The Mole Man
Thanos vs. Ch'od
The Blob vs. Gorgon (Inhuman)
Sandman vs. Armor
Blade vs. Nuke
Ares vs. Thunderbird (John Proudstar)
Darwin (Armando Munoz) vs. Baron Zemo (Helmut)
Cecilia Reyes vs. The Mandarin
Electro (Max Dillon) vs. Anole
Pixie (Megan Gwynn) vs. Ulik
Sam Wilson vs. The Beetle (Janice Lincoln)
Shockwave vs. Jocasta
Avalanche vs. Julia Carpenter
Dormammu vs. Howard the Duck
Mr. Hyde vs. Dust (Sooraya Qadir)
Graviton vs. Skaar
Ms. Marvel (Kamala Khan) vs. Klaw
Mikhail Rasputin vs. Goliath (Bill Foster)
Toad vs. Karnak
Balder the Brave vs. The Chameleon
Count Nefaria vs. Werewolf by Night
Annihilus vs. Songbird
Quasar (Wendell Vaughn) vs. Tombstone
The Living Monolith vs. N'Kantu the Living Mummy
Blastaar vs. Clea
Moondragon vs. Silvermane (Silvio Manfredi)
Ronan the Accuser vs. Corsair
Sunfire vs. The Impossible Man
Shriek vs. Fantomex
Apocalypse vs. Thor (Jane Foster)
Moses Magnum vs. Triton
Sif vs. Mojo
Dark Beast vs. Silk
War Machine (James Rhodes) vs. Constrictor
Zzzax vs. Machine Man
Magma (Amara Aquilla) vs. Diablo
The Wrecker (Dirk Garthwaite) vs. Karma
Longshot vs. Spiral
Thunderball vs. Feral
Beta Ray Bill vs. Morgan le Fay
Bulldozer (Henry Camp) vs. Caliban
Warpath (James Proudstar) vs. Boomerang
Piledriver vs. Marrow
Meggan Braddock vs. Dracula